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<a href="b__fifo_8c.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160;</div><div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="comment">/*Includes ----------------------------------------------*/</span></div><div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160;<span class="preprocessor">#include &quot;<a class="code" href="b__fifo_8h.html">b_fifo.h</a>&quot;</span>  </div><div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#if _FIFO_ENABLE</span></div><div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;</div><div class="line"><a name="l00058"></a><span class="lineno">   58</span>&#160;<span class="preprocessor"> #define FIFO_LEN(w,r,s)       (((w) &gt;= (r)) ? ((w) - (r)) : ((w) + (s) - (r)))    </span></div><div class="line"><a name="l00059"></a><span class="lineno">   59</span>&#160;</div><div class="line"><a name="l00076"></a><span class="lineno">   76</span>&#160;<span class="keyword">static</span> <a class="code" href="structb_f_i_f_o___info__t.html">bFIFO_Info_t</a>  bFIFO_Info[<a class="code" href="b__config_8h.html#a9d5ab7c2e0032fdee7cfb23784d13895">_FIFO_I_NUMBER</a>];</div><div class="line"><a name="l00077"></a><span class="lineno">   77</span>&#160;<span class="keyword">static</span> uint8_t bFIFO_InfoIndex = 0;   </div><div class="line"><a name="l00105"></a><span class="lineno">  105</span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___f_i_f_o___exported___functions.html#ga8b9d241884018d7286093f4759053159">bFIFO_Regist</a>(uint8_t *pbuf, uint16_t size)</div><div class="line"><a name="l00106"></a><span class="lineno">  106</span>&#160;{</div><div class="line"><a name="l00107"></a><span class="lineno">  107</span>&#160;    <span class="keywordflow">if</span>(pbuf == <a class="code" href="b__config_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a> || size == 0 || bFIFO_InfoIndex &gt;= <a class="code" href="b__config_8h.html#a9d5ab7c2e0032fdee7cfb23784d13895">_FIFO_I_NUMBER</a>)</div><div class="line"><a name="l00108"></a><span class="lineno">  108</span>&#160;    {</div><div class="line"><a name="l00109"></a><span class="lineno">  109</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00110"></a><span class="lineno">  110</span>&#160;    }</div><div class="line"><a name="l00111"></a><span class="lineno">  111</span>&#160;    bFIFO_Info[bFIFO_InfoIndex].<a class="code" href="structb_f_i_f_o___info__t.html#a1a31631f37dee0a497a399375ddf4898">pbuf</a> = pbuf;</div><div class="line"><a name="l00112"></a><span class="lineno">  112</span>&#160;    bFIFO_Info[bFIFO_InfoIndex].<a class="code" href="structb_f_i_f_o___info__t.html#a57db0a4d3ff20bcc56f76881c520f4f6">r_index</a> = 0;</div><div class="line"><a name="l00113"></a><span class="lineno">  113</span>&#160;    bFIFO_Info[bFIFO_InfoIndex].<a class="code" href="structb_f_i_f_o___info__t.html#aab577f4558bd899926454eff3636f637">w_index</a> = 0;</div><div class="line"><a name="l00114"></a><span class="lineno">  114</span>&#160;    bFIFO_Info[bFIFO_InfoIndex].<a class="code" href="structb_f_i_f_o___info__t.html#aaba88b24a21a6c70c895c0d55f4a69a0">size</a> = size;</div><div class="line"><a name="l00115"></a><span class="lineno">  115</span>&#160;    bFIFO_InfoIndex += 1;</div><div class="line"><a name="l00116"></a><span class="lineno">  116</span>&#160;    <span class="keywordflow">return</span> (bFIFO_InfoIndex - 1);</div><div class="line"><a name="l00117"></a><span class="lineno">  117</span>&#160;}    </div><div class="line"><a name="l00118"></a><span class="lineno">  118</span>&#160;</div><div class="line"><a name="l00119"></a><span class="lineno">  119</span>&#160;</div><div class="line"><a name="l00120"></a><span class="lineno">  120</span>&#160;</div><div class="line"><a name="l00121"></a><span class="lineno">  121</span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___f_i_f_o___exported___functions.html#ga41d34a28dbae41e482bcbf241caeb899">bFIFO_Length</a>(<span class="keywordtype">int</span> no, uint16_t *plen)</div><div class="line"><a name="l00122"></a><span class="lineno">  122</span>&#160;{</div><div class="line"><a name="l00123"></a><span class="lineno">  123</span>&#160;    <span class="keywordflow">if</span>(no &lt; 0 || no &gt;= bFIFO_InfoIndex || plen == <a class="code" href="b__config_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</div><div class="line"><a name="l00124"></a><span class="lineno">  124</span>&#160;    {</div><div class="line"><a name="l00125"></a><span class="lineno">  125</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00126"></a><span class="lineno">  126</span>&#160;    } </div><div class="line"><a name="l00127"></a><span class="lineno">  127</span>&#160;    *plen = FIFO_LEN(bFIFO_Info[no].w_index, bFIFO_Info[no].r_index, bFIFO_Info[no].size);</div><div class="line"><a name="l00128"></a><span class="lineno">  128</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;}</div><div class="line"><a name="l00130"></a><span class="lineno">  130</span>&#160;</div><div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160;</div><div class="line"><a name="l00132"></a><span class="lineno">  132</span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___f_i_f_o___exported___functions.html#ga1b974cf2c725e31b89d58d6da21f6089">bFIFO_Flush</a>(<span class="keywordtype">int</span> no)</div><div class="line"><a name="l00133"></a><span class="lineno">  133</span>&#160;{</div><div class="line"><a name="l00134"></a><span class="lineno">  134</span>&#160;    <span class="keywordflow">if</span>(no &lt; 0 || no &gt;= bFIFO_InfoIndex)</div><div class="line"><a name="l00135"></a><span class="lineno">  135</span>&#160;    {</div><div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00137"></a><span class="lineno">  137</span>&#160;    } </div><div class="line"><a name="l00138"></a><span class="lineno">  138</span>&#160;    bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#a57db0a4d3ff20bcc56f76881c520f4f6">r_index</a> = bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#aab577f4558bd899926454eff3636f637">w_index</a>;</div><div class="line"><a name="l00139"></a><span class="lineno">  139</span>&#160;    <span class="keywordflow">return</span> 0;</div><div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160;}</div><div class="line"><a name="l00141"></a><span class="lineno">  141</span>&#160;</div><div class="line"><a name="l00142"></a><span class="lineno">  142</span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___f_i_f_o___exported___functions.html#ga4aac823c61f21ceac467618edb17b27b">bFIFO_Write</a>(<span class="keywordtype">int</span> no, uint8_t *pbuf, uint16_t size)</div><div class="line"><a name="l00143"></a><span class="lineno">  143</span>&#160;{</div><div class="line"><a name="l00144"></a><span class="lineno">  144</span>&#160;    uint16_t fifo_len, valid_len, index;</div><div class="line"><a name="l00145"></a><span class="lineno">  145</span>&#160;    <span class="keywordflow">if</span>(no &lt; 0 || no &gt;= bFIFO_InfoIndex || pbuf == <a class="code" href="b__config_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</div><div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    {</div><div class="line"><a name="l00147"></a><span class="lineno">  147</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160;    }</div><div class="line"><a name="l00149"></a><span class="lineno">  149</span>&#160;    fifo_len = FIFO_LEN(bFIFO_Info[no].w_index, bFIFO_Info[no].r_index, bFIFO_Info[no].size);</div><div class="line"><a name="l00150"></a><span class="lineno">  150</span>&#160;    valid_len = bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#aaba88b24a21a6c70c895c0d55f4a69a0">size</a> - fifo_len;</div><div class="line"><a name="l00151"></a><span class="lineno">  151</span>&#160;    size = (size &lt;= valid_len) ? size : valid_len;</div><div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    index = 0;</div><div class="line"><a name="l00153"></a><span class="lineno">  153</span>&#160;    <span class="keywordflow">while</span>(index &lt; size)</div><div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160;    {</div><div class="line"><a name="l00155"></a><span class="lineno">  155</span>&#160;        bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#a1a31631f37dee0a497a399375ddf4898">pbuf</a>[bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#aab577f4558bd899926454eff3636f637">w_index</a>] = pbuf[index];</div><div class="line"><a name="l00156"></a><span class="lineno">  156</span>&#160;        bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#aab577f4558bd899926454eff3636f637">w_index</a> = (bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#aab577f4558bd899926454eff3636f637">w_index</a> + 1) % bFIFO_Info[no].size;</div><div class="line"><a name="l00157"></a><span class="lineno">  157</span>&#160;        index += 1;</div><div class="line"><a name="l00158"></a><span class="lineno">  158</span>&#160;    }</div><div class="line"><a name="l00159"></a><span class="lineno">  159</span>&#160;    <span class="keywordflow">return</span> size;</div><div class="line"><a name="l00160"></a><span class="lineno">  160</span>&#160;}</div><div class="line"><a name="l00161"></a><span class="lineno">  161</span>&#160;</div><div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;</div><div class="line"><a name="l00163"></a><span class="lineno">  163</span>&#160;<span class="keywordtype">int</span> <a class="code" href="group___f_i_f_o___exported___functions.html#ga5cb3e1921484b7ecaed70dc77e30c26e">bFIFO_Read</a>(<span class="keywordtype">int</span> no, uint8_t *pbuf, uint16_t size)</div><div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160;{</div><div class="line"><a name="l00165"></a><span class="lineno">  165</span>&#160;    uint16_t fifo_len, index;</div><div class="line"><a name="l00166"></a><span class="lineno">  166</span>&#160;    <span class="keywordflow">if</span>(no &lt; 0 || no &gt;= bFIFO_InfoIndex || pbuf == <a class="code" href="b__config_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a>)</div><div class="line"><a name="l00167"></a><span class="lineno">  167</span>&#160;    {</div><div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;        <span class="keywordflow">return</span> -1;</div><div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;    }</div><div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160;    fifo_len = FIFO_LEN(bFIFO_Info[no].w_index, bFIFO_Info[no].r_index, bFIFO_Info[no].size);</div><div class="line"><a name="l00171"></a><span class="lineno">  171</span>&#160;    size = (size &lt;= fifo_len) ? size : fifo_len;</div><div class="line"><a name="l00172"></a><span class="lineno">  172</span>&#160;    index = 0;</div><div class="line"><a name="l00173"></a><span class="lineno">  173</span>&#160;    <span class="keywordflow">while</span>(index &lt; size)</div><div class="line"><a name="l00174"></a><span class="lineno">  174</span>&#160;    {</div><div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160;        pbuf[index] = bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#a1a31631f37dee0a497a399375ddf4898">pbuf</a>[bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#a57db0a4d3ff20bcc56f76881c520f4f6">r_index</a>];</div><div class="line"><a name="l00176"></a><span class="lineno">  176</span>&#160;        bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#a57db0a4d3ff20bcc56f76881c520f4f6">r_index</a> = (bFIFO_Info[no].<a class="code" href="structb_f_i_f_o___info__t.html#a57db0a4d3ff20bcc56f76881c520f4f6">r_index</a> + 1) % bFIFO_Info[no].size;</div><div class="line"><a name="l00177"></a><span class="lineno">  177</span>&#160;        index += 1;</div><div class="line"><a name="l00178"></a><span class="lineno">  178</span>&#160;    }</div><div class="line"><a name="l00179"></a><span class="lineno">  179</span>&#160;    <span class="keywordflow">return</span> size;</div><div class="line"><a name="l00180"></a><span class="lineno">  180</span>&#160;}</div><div class="line"><a name="l00181"></a><span class="lineno">  181</span>&#160;</div><div class="line"><a name="l00182"></a><span class="lineno">  182</span>&#160;</div><div class="line"><a name="l00183"></a><span class="lineno">  183</span>&#160;</div><div class="line"><a name="l00196"></a><span class="lineno">  196</span>&#160;<span class="preprocessor">#endif</span></div><div class="line"><a name="l00197"></a><span class="lineno">  197</span>&#160;</div><div class="line"><a name="l00198"></a><span class="lineno">  198</span>&#160;<span class="comment">/************************ Copyright (c) 2019 Bean *****END OF FILE****/</span></div><div class="line"><a name="l00199"></a><span class="lineno">  199</span>&#160;</div><div class="ttc" id="group___f_i_f_o___exported___functions_html_ga1b974cf2c725e31b89d58d6da21f6089"><div class="ttname"><a href="group___f_i_f_o___exported___functions.html#ga1b974cf2c725e31b89d58d6da21f6089">bFIFO_Flush</a></div><div class="ttdeci">int bFIFO_Flush(int no)</div></div>
<div class="ttc" id="group___f_i_f_o___exported___functions_html_ga4aac823c61f21ceac467618edb17b27b"><div class="ttname"><a href="group___f_i_f_o___exported___functions.html#ga4aac823c61f21ceac467618edb17b27b">bFIFO_Write</a></div><div class="ttdeci">int bFIFO_Write(int no, uint8_t *pbuf, uint16_t size)</div></div>
<div class="ttc" id="b__config_8h_html_a9d5ab7c2e0032fdee7cfb23784d13895"><div class="ttname"><a href="b__config_8h.html#a9d5ab7c2e0032fdee7cfb23784d13895">_FIFO_I_NUMBER</a></div><div class="ttdeci">#define _FIFO_I_NUMBER</div><div class="ttdef"><b>Definition:</b> <a href="b__config_8h_source.html#l00140">b_config.h:140</a></div></div>
<div class="ttc" id="structb_f_i_f_o___info__t_html_aab577f4558bd899926454eff3636f637"><div class="ttname"><a href="structb_f_i_f_o___info__t.html#aab577f4558bd899926454eff3636f637">bFIFO_Info_t::w_index</a></div><div class="ttdeci">volatile uint16_t w_index</div><div class="ttdef"><b>Definition:</b> <a href="b__fifo_8h_source.html#l00061">b_fifo.h:61</a></div></div>
<div class="ttc" id="group___f_i_f_o___exported___functions_html_ga41d34a28dbae41e482bcbf241caeb899"><div class="ttname"><a href="group___f_i_f_o___exported___functions.html#ga41d34a28dbae41e482bcbf241caeb899">bFIFO_Length</a></div><div class="ttdeci">int bFIFO_Length(int no, uint16_t *plen)</div></div>
<div class="ttc" id="structb_f_i_f_o___info__t_html_a57db0a4d3ff20bcc56f76881c520f4f6"><div class="ttname"><a href="structb_f_i_f_o___info__t.html#a57db0a4d3ff20bcc56f76881c520f4f6">bFIFO_Info_t::r_index</a></div><div class="ttdeci">volatile uint16_t r_index</div><div class="ttdef"><b>Definition:</b> <a href="b__fifo_8h_source.html#l00060">b_fifo.h:60</a></div></div>
<div class="ttc" id="structb_f_i_f_o___info__t_html_aaba88b24a21a6c70c895c0d55f4a69a0"><div class="ttname"><a href="structb_f_i_f_o___info__t.html#aaba88b24a21a6c70c895c0d55f4a69a0">bFIFO_Info_t::size</a></div><div class="ttdeci">uint16_t size</div><div class="ttdef"><b>Definition:</b> <a href="b__fifo_8h_source.html#l00059">b_fifo.h:59</a></div></div>
<div class="ttc" id="b__config_8h_html_a070d2ce7b6bb7e5c05602aa8c308d0c4"><div class="ttname"><a href="b__config_8h.html#a070d2ce7b6bb7e5c05602aa8c308d0c4">NULL</a></div><div class="ttdeci">#define NULL</div><div class="ttdef"><b>Definition:</b> <a href="b__config_8h_source.html#l00042">b_config.h:42</a></div></div>
<div class="ttc" id="structb_f_i_f_o___info__t_html"><div class="ttname"><a href="structb_f_i_f_o___info__t.html">bFIFO_Info_t</a></div><div class="ttdef"><b>Definition:</b> <a href="b__fifo_8h_source.html#l00056">b_fifo.h:56</a></div></div>
<div class="ttc" id="group___f_i_f_o___exported___functions_html_ga5cb3e1921484b7ecaed70dc77e30c26e"><div class="ttname"><a href="group___f_i_f_o___exported___functions.html#ga5cb3e1921484b7ecaed70dc77e30c26e">bFIFO_Read</a></div><div class="ttdeci">int bFIFO_Read(int no, uint8_t *pbuf, uint16_t size)</div></div>
<div class="ttc" id="structb_f_i_f_o___info__t_html_a1a31631f37dee0a497a399375ddf4898"><div class="ttname"><a href="structb_f_i_f_o___info__t.html#a1a31631f37dee0a497a399375ddf4898">bFIFO_Info_t::pbuf</a></div><div class="ttdeci">uint8_t * pbuf</div><div class="ttdef"><b>Definition:</b> <a href="b__fifo_8h_source.html#l00058">b_fifo.h:58</a></div></div>
<div class="ttc" id="group___f_i_f_o___exported___functions_html_ga8b9d241884018d7286093f4759053159"><div class="ttname"><a href="group___f_i_f_o___exported___functions.html#ga8b9d241884018d7286093f4759053159">bFIFO_Regist</a></div><div class="ttdeci">int bFIFO_Regist(uint8_t *pbuf, uint16_t size)</div></div>
<div class="ttc" id="b__fifo_8h_html"><div class="ttname"><a href="b__fifo_8h.html">b_fifo.h</a></div></div>
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